News tagged with gas density
Suzaku snaps first complete X-ray view of a galaxy cluster
May 28, 2009 |
4.4 / 5 (8) |
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The joint Japan-U.S. Suzaku mission is providing new insight into how assemblages of thousands of galaxies pull themselves together. For the first time, Suzaku has detected X-ray-emitting gas at a cluster's ...
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XMM-Newton discovers part of missing matter in the universe
May 06, 2008 |
4.6 / 5 (72) |
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ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.
Pillars of Creation formed in the shadows
Apr 23, 2009 |
4.7 / 5 (9) |
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Research by astronomers at the Dublin Institute of Advanced Studies suggests that shadows hold the key to how giant star-forming structures like the famous "Pillars of Creation" take shape.
Birth of a star predicted
Jun 09, 2009 |
4 / 5 (3) |
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The astrophysicist João Alves, director of the Calar Alto Observatory in Almeria, and his colleague Andreas Bürkert, from the German observatory in the University of Munich, believe that "the inevitable future of the starless ...
Methods for monitoring CO2 emissions have limitations, inadequate for international climate treaty
Jul 31, 2009 |
3.2 / 5 (6) |
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Current methods for estimating greenhouse gas emissions have limitations that make it difficult to monitor CO2 emissions and verify an international climate treaty, says a new National Research Council letter report to the ...
Small 'helper' stars needed for massive star formation
Feb 28, 2008 |
4.3 / 5 (3) |
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In order for a rare, massive star to form inside an interstellar cloud of gas and dust, small "helper" stars about the size of the sun must first set the stage, according to a new theory proposed by astrophysicists at the ...
Trapping Greenhouse Gases (Without Leaks)
Nov 19, 2008 |
4.3 / 5 (4) |
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Of all the possible ways of reducing future greenhouse gas emissions, one of the most immediately feasible is carbon dioxide "sequestration," which involves compressing the gas into a liquid and piping it deep underground ...
Saturn's Giant Sponge
Space & Earth / Space Exploration
Feb 06, 2008 |
4.5 / 5 (6) |
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One of Saturn's rings does housecleaning, soaking up material gushing from the fountains on Saturn's tiny ice moon Enceladus, according to new observations from the Cassini spacecraft.
Tiny Flares Responsible for Outsized Heat of Sun's Atmosphere
Aug 14, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions ...
Measuring the density of ultra-pure water
Space & Earth / Earth Sciences
Dec 18, 2007 |
4.3 / 5 (6) |
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For oceanography – and there in particular for the description of ocean currents – accurate measurements of the density of sea water are of great importance. For this purpose, measuring instruments are needed ...
Ultracold gas mimics ultrahot plasma
Feb 15, 2009 |
4.4 / 5 (7) |
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Several years after Duke University researchers announced spectacular behavior of a low density ultracold gas cloud, researchers at Brookhaven National Laboratory have observed strikingly similar properties in a very hot ...
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